The Basic Edition is FREE, albeit advertising-supported; it contains the full Story mode.

Optional special passes are purchasable In-app, for extra features and support:Premium Pass (3.99$) – Disable the in-game ads and unlocks additional game modes: Survival and Arcade (read about these at the bottom of this page).

Cheater Pass (3.99$) – Enables the cheats for those who dislike sweating (cheating is only possible in offline mode). Note that this Pass won’t disable the in-game ads.

Support Badge (1,50$) – You just want to give us some financial support? This is the option for you.